Required practical – Tests for alcohol, aldehyde, alkene and carboxylic acid.

Last updated: 02/11/2022
WJEC A-Level Chemistry Unit 2.7 – Alcohols and carboxylic acids Required practical – Tests for alcohol, aldehyde, alkene and carboxylic acid.
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  1. Current
  2. Review
  3. Answered

  1. How can you test for an unsaturated hydrocarbon?

    • 1.
    • 2.
    • 3.
    • 4.

  2. What is observed when bromine water is added to an unsaturated hydrocarbon?

    • 1.
    • 2.
    • 3.
    • 4.

  3. How can you test for a saturated hydrocarbon?

    • 1.
    • 2.
    • 3.
    • 4.

  4. What is observed when bromine water is added to a saturated hydrocarbon?

    • 1.
    • 2.
    • 3.
    • 4.

  5. How can you test for a haloalkane?

    • 1.
    • 2.
    • 3.
    • 4.

  6. What is observed when silver nitrate, ethanol and water is added to a haloalkane that contains chlorine?

    • 1.
    • 2.
    • 3.
    • 4.

  7. What is observed when silver nitrate, ethanol and water is added to a haloalkane that contains bromine?

    • 1.
    • 2.
    • 3.
    • 4.

  8. What is observed when silver nitrate, ethanol and water is added to a haloalkane that contains iodine?

    • 1.
    • 2.
    • 3.
    • 4.

  9. Which of the following is a method of testing for a carbonyl?

    • 1.
    • 2.
    • 3.
    • 4.

  10. Which of the following is a method of testing for a carbonyl?

    • 1.
    • 2.
    • 3.
    • 4.

  11. Which of the following is a method of testing for a carbonyl?

    • 1.
    • 2.
    • 3.
    • 4.

  12. When testing for a carbonyl, how is a ketone detected when acidified potassium dichromate is added?

    • 1.
    • 2.
    • 3.
    • 4.

  13. When testing for a carbonyl, how is an aldehyde detected when acidified potassium dichromate is added?

    • 1.
    • 2.
    • 3.
    • 4.

  14. When testing for a carbonyl, how is a ketone detected when Fehling’s solution is added?

    • 1.
    • 2.
    • 3.
    • 4.

  15. When testing for a carbonyl, how is an aldehyde detected when Fehling’s solution is added?

    • 1.
    • 2.
    • 3.
    • 4.

  16. When testing for a carbonyl, how is a ketone detected when Tollen’s solution is added?

    • 1.
    • 2.
    • 3.
    • 4.

  17. When testing for a carbonyl, how is an aldehyde detected when Tollen’s solution is added?

    • 1.
    • 2.
    • 3.
    • 4.

  18. Which of the following is a method of testing for a carboxylic acid?

    • 1.
    • 2.
    • 3.
    • 4.

  19. Which of the following is a method of testing for a carboxylic acid?

    • 1.
    • 2.
    • 3.
    • 4.

  20. Which of the following is a method of testing for a carboxylic acid?

    • 1.
    • 2.
    • 3.
    • 4.

  21. What is observed when a universal indicator is used to test for a carboxylic acid?

    • 1.
    • 2.
    • 3.
    • 4.

  22. What is observed when a reactive metal is added to test for a carboxylic acid?

    • 1.
    • 2.
    • 3.
    • 4.

  23. What is observed when a metal carbonate is added to test for a carboxylic acid?

    • 1.
    • 2.
    • 3.
    • 4.

  24. How can you test for an alcohol?

    • 1.
    • 2.
    • 3.
    • 4.

  25. What is observed when a carboxylic acid and sulfuric acid is added to an alcohol?

    • 1.
    • 2.
    • 3.
    • 4.